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  VS Arduino › Visual Micro › Visual Studio 2019, 2022, 2026 › Esp8266 - Project builds, debugger launches, then nothing (SOLVED - Switch Off Serial DTR)
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Hot Topic (More than 8 Replies) Esp8266 - Project builds, debugger launches, then nothing (SOLVED - Switch Off Serial DTR) (Read 6693 times)
occam man
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Esp8266 - Project builds, debugger launches, then nothing (SOLVED - Switch Off Serial DTR)
Feb 17th, 2017 at 2:14am
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I've just installed your extension for VS 2017. All seemed to go OK. I created a new project, set Arduino version to 1.6/1/8 (I have 1.8), set the board to NodeMCU 1.0, then pasted into the .ino file a program that works fine in Arduino IDE. It builds without error, loads to the board (I can see the serial LED blinking) then announces "launching debugger..." then nothing. The program flashes some LEDs when it runs, so i can tell it's not running on my board.

Any thoughts?
« Last Edit: Feb 19th, 2017 at 10:44pm by Tim@Visual Micro »  
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Tim@Visual Micro
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Re: Project builds, debugger launches, then nothing
Reply #1 - Feb 17th, 2017 at 1:14pm
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Hi,

Please change the tool bar from Debug to Release and then upload again.

Thanks
  
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Re: Project builds, debugger launches, then nothing
Reply #2 - Feb 17th, 2017 at 1:46pm
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Yep, that did it, thanks.

I just paid for the upgrade so the debugging will actually be available - looks like a cool tool.
  
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Re: Project builds, debugger launches, then nothing
Reply #3 - Feb 17th, 2017 at 1:52pm
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Er... I get the same issue with the paid version when I build in debug mode.
  
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Re: Project builds, debugger launches, then nothing
Reply #4 - Feb 17th, 2017 at 3:07pm
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Hi,

Did you restart the ide after adding the license key?

Did you switch on "tools>options>visual micro>pause pro features" by mistake?
  
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Re: Project builds, debugger launches, then nothing
Reply #5 - Feb 17th, 2017 at 4:42pm
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OK, I tried this on a second machine - same results. Restarted IDE, checked that "pause pro features" was false.
  
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Re: Project builds, debugger launches, then nothing
Reply #6 - Feb 17th, 2017 at 4:44pm
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Is there a breakpoint in the code?

You can zip and email your project if you want, it will save asking about what you are expecting to debug.

Email to info[at]visualmicro.com
« Last Edit: Feb 17th, 2017 at 4:44pm by Tim@Visual Micro »  
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Re: Project builds, debugger launches, then nothing
Reply #7 - Feb 17th, 2017 at 5:35pm
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Just sent.

I tried with a breakpoint enabled, and without.
  
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Re: Project builds, debugger launches, then nothing
Reply #8 - Feb 17th, 2017 at 8:36pm
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Hi,

There are no breakpoints in the BreatheTest.zip if that was from you.

Breakpoints are saved in the .sln so you need to close and save the solution to be sure they have been written to disk before zipping. Thanks

Questions


Is "vMicro>General>Tutorial Mode" switched on?
Is "vMicro>Debugger>Automatic Debugging" on?

  
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Re: Project builds, debugger launches, then nothing
Reply #9 - Feb 17th, 2017 at 8:48pm
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Sure, I'll send that - but shouldn't it run without breakpoints?
  
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Re: Project builds, debugger launches, then nothing
Reply #10 - Feb 17th, 2017 at 8:53pm
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I see, yes it should run without breakpoints. 

OTA should work immediately and Serial debug work well with the following

1)
Are the Dtr and Rts Off on the serial monitor when it opens?

2)
Is the serial monitor auto-reconnect On


A screen shot with debug started might help in case I can see something less obvious.

+ confirm that it is working ok when in Release mode. I think you confirmed that earlier but just want to check.
« Last Edit: Feb 17th, 2017 at 8:55pm by Tim@Visual Micro »  
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Re: Project builds, debugger launches, then nothing
Reply #11 - Feb 17th, 2017 at 9:02pm
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Got it - one of the serial lines, either dtr or rts (I forget which), is on by default - when I toggled it off, debug started working.

Thanks!
  
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Re: Project builds, debugger launches, then nothing
Reply #12 - Feb 17th, 2017 at 9:17pm
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Great thanks very much for the update.

For normal arduino boards the dtr needs to be on which causes the board to reset when serial starts. This prevents missed messages with the board starting up very quickly.

The dtr is forced on (its optional) however visual micro is supposed to prevent that for boards that have a certain config setting. I will look to see if nodeMCU has the setting or why the dtr was on for you.

The rts isn't used for most arduino boards however for node mcu it should always be off. Toggling the rts on/off will reset the board.

Thanks again, I'll look at making the solution more obvious!

  
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